Finding the Fourth Proportional to 2,686.16, 3,706.76 and 1,491.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,686.16 : 3,706.76 = 1,491.01 : x
2. Step 2: Convert to fraction form
   2,686.16/3,706.76 = 1,491.01/x
3. Step 3: Cross multiply
   2,686.16x = 3,706.76 × 1,491.01
4. Step 4: Simplify right side
   2,686.16x = 5,526,810.69
5. Step 5: Solve for x
   x = 5,526,810.69/2,686.16
6. Step 6: Final answer
   x = 2,057.51